19 Action · 2D · Moddable games your group can play together online, including Platypus Reclayed, Quest Master, and Windowkill.
All games: 19
22 years after its first appearance, the iconic Platypus is coming back, featuring updated gameplay, new weapons and additional content. Get ready to dive into the heart-pounding action of this fast, frantic, and incredibly fun arcade-style shoot-em-up!
Quest Master is a dungeon maker inspired by the classics that first made us love dungeon crawling. Unleash your imagination, alone or in local co-op, to make dungeons full of puzzles, traps and monsters. Upload them for others to explore and challenge yourself with other players’ creations.
Windowkill is a twin-stick shooter, but the game window itself is constantly closing in on you. Shoot the window edges to push it around your screen as you fight and dodge enemies and bosses in their own windows.
College Bowl is a beautifully pixelated on-field simulation of American Football! Challenge college rivals on your way to winning a National title! Take on various game modes, including a deep Dynasty mode with in-depth recruiting, scouting, stat tracking, ranking, bowl games, yearly goals and more!
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
Fraymakers is the ultimate customizable platform fighting game, featuring a cast of some of indie gaming's biggest icons. Duke it out with up to 4 players and call on assists to help out in the heat of battle. Create and play custom characters, stages, modes, and more for infinite fun!
Ghostlore is an 'Eastpunk' Action-RPG where you fight supernatural monsters from Southeast-Asian folklore. Inspired by classic ARPGs such as Diablo 2 and Titan Quest, Ghostlore features detailed item and character customization systems, procedurally generated maps, and awesome 90's retro graphics.
Want to play the hardest cooperative 2D platformer ever? Want to finish no map ever? Want to be in pain for hours and cry, getting nothing in return? Come play DDNet with a large community of other sufferers!
Construct mighty steampunk airships and fly them into battle, waging war and conquering the skies!
Unleash your creativity and strategic prowess in Forts, the exhilarating physics-based RTS! Design, construct, and customize imposing fortresses, bristling with devastating firepower, and blast your opponent’s buildings to rubble!
Plan a SWAT entry with one friend in Door Kickers’ two-player online co-op, then watch your routes meet real-time resistance.
Battle other 2D stickfigures online while jumping around like a lunatic and getting blown up into smithereens. With over 70 weapons, Boring Man is the most chaotic and hilarious 2D online shooter on the internet.
Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!
Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.
Progress with every slain monster, learn over 80 skills through talents, craft hundreds of items, and explore vast procedurally-generated worlds in this ever-expanding sandbox RPG!
A rhythm game where you swipe between two lanes to the beat. Form your own flow and unleash your greatest swiping performance.
GARBANZO QUEST! The crazy bullet-heck platformer where your main weapon is your own spit! Bring a friend! Hand-crafted challenges, secrets, and branching paths galore!
Free multiplayer 2D ghost hunting game that you can play with friends created by a small game dev team.
The WILDEST ANIME FIGHT. Fly super fast, smash your friends through skyscrapers and break the planet with one punch! Up to 4 players local & 2 online. Now with workshop for INFINITE CHARACTERS!